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74HC245N from NXP,NXP Semiconductors

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74HC245N

Manufacturer: NXP

74HC/HCT245; Octal bus transceiver; 3-state

Partnumber Manufacturer Quantity Availability
74HC245N NXP 1670 In Stock

Description and Introduction

74HC/HCT245; Octal bus transceiver; 3-state The 74HC245N is an octal bus transceiver manufactured by NXP. It features non-inverting 3-state outputs and is designed for asynchronous communication between data buses. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction control (DIR) input. The output enable (OE) input can disable the outputs, placing them in a high-impedance state. Key specifications include:

- **Supply Voltage Range (VCC):** 2.0V to 6.0V
- **High-Level Input Voltage (VIH):** 2.0V (min) at VCC = 2.0V, 3.15V (min) at VCC = 4.5V
- **Low-Level Input Voltage (VIL):** 0.8V (max) at VCC = 2.0V, 1.35V (max) at VCC = 4.5V
- **High-Level Output Current (IOH):** -5.2mA (max) at VCC = 4.5V
- **Low-Level Output Current (IOL):** 5.2mA (max) at VCC = 4.5V
- **Operating Temperature Range:** -40°C to +125°C
- **Package:** DIP-20 (Dual In-line Package with 20 pins)
- **Propagation Delay (tpd):** 13ns (typical) at VCC = 4.5V
- **Power Dissipation (PD):** 500mW (max)

The 74HC245N is compatible with TTL levels and is commonly used in applications requiring bidirectional data transfer, such as in microprocessors and memory systems.

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